Allergies are hypersensitive immune responses to substances that either enter or come in contact with the body, like pet dander, pollen or bee venom. A substance that causes an allergic reaction is called an “allergen”. Allergens can be found in food, drinks or the atmosphere.
Types of Allergy
Allergy is a multi-organ disease, affecting approximately one in three of the population in the UK at some time in their lives. Each year the numbers are increasing by 5% with as many as half of all those affected being children.
- Severe Allergy and Anaphylaxis
- Respiratory Allergy
- Food Allergy
- Skin Allergy
- Rubber Latex Allergy
- Drug Allergy
- Allergy to Wasp and Bee Stings
Signs and symptoms of allergies?
A symptom are a few things the patient feels and describes, whereas an indication will be detected by others too. Pain is a symptom and a rash is a sign.
The immune system needs time to recognize and remember the allergen. Because it becomes sensitive to it, it starts creating antibodies to attack it – this method is called sensitization.
Sensitization can take from a few days to several years. In several cases the sensitization process is not completed and therefore the patient experiences some symptoms but never a full allergy.
Common symptoms of an allergic reaction to inhaled or skin allergens include:
- Itchy, watery eyes
- Itchy, runny nose
- Feeling tired or sick
- Hives (a rash with raised red patches)
Other exposures will cause different allergic reactions:
- Food allergies. An allergic reaction to food allergens can also cause abdomen cramps, vomiting, or diarrhea.
- Insect stings. The allergic reaction to a sting from a bee or different insect causes local swelling, redness, and pain.
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